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antiaircraft shells

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Three-inch A.A. cartridge cases. Brass discs are conveyed to a cupping press that forms them into the brass cups from which cartridge cases for three-inch antiaircraft shells are drawn. They look harmless enough but each one will be a potential headache for Axis fliers by the time it comes off the production line

Three-inch A.A. cartridge cases. Brass discs are conveyed to a cupping...

Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.

Three-inch A.A. cartridge cases. Baskets of partly-finished cartridge cases for antiaircraft shells pass under the critical eye of a foreman as they are returned from pickling to the next press operation. The Midwest plant which makes these cases finishes them for loading with propelling charge and explosive shell

Three-inch A.A. cartridge cases. Baskets of partly-finished cartridge ...

Public domain photograph of factory building, free to use, no copyright restrictions image - Picryl description

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiaircraft shells are produced by a series of operations that transform a flat brass disc into a case ready for loading with propelling charge and shell. Between each operation there is careful washing to remove all scale and adhesion and to leave surfaces clean for later processing. The big Midwest plant doing the work is well equipped to handle it in stride

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiai...

Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiaircraft shells are formed by successive drawing operations, from a flat brass disc into an elongated tubular shape with one rounded closed end. These shapes are trimmed before going on to the heading operation, with the more familiar flat surface, with priming hole, ready for loading

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiai...

Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiaircraft shells go through the first drawing operation. A brass cup formed from flat disc is fed to a huge press which draws it into a tubular shape with one rounded closed end. Washing and annealing precedes the first draw and will follow it. Washing cleanses surfaces for future operations. Annealing removes strains set in the metal by the forming and drawing operations

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiai...

Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More

Three-inch A.A. cartridge cases. Brass discs are conveyed to a cupping press that forms them into the brass cups from which cartridge cases for three-inch antiaircraft shells are drawn. They look harmless enough but each one will be a potential headache for Axis fliers by the time it comes off the production line

Three-inch A.A. cartridge cases. Brass discs are conveyed to a cupping...

Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiaircraft shells are drawn from brass cups which are themselves formed from flat discs. After they come from the cupping press they are washed to provide clean surfaces for future operations and are conveyed in basket trucks to annealing furnaces. Annealing will remove any strains set up in the metal by the cupping press operations

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiai...

Picryl description: Public domain image of a factory, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions.

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiaircraft shells go through the first drawing operation. A brass cup formed from flat disc is fed to a huge press which draws it into a tubular shape with one rounded closed end. Washing and annealing precedes the first draw and will follow it. Washing cleanses surfaces for future operations. Annealing removes strains set in the metal by the forming and drawing operations

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiai...

Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description

Three-inch A.A. cartridge cases. Baskets of partly-finished cartridge cases for antiaircraft shells pass under the critical eye of a foreman as they are returned from pickling to the next press operation. The Midwest plant which makes these cases finishes them for loading with propelling charge and explosive shell

Three-inch A.A. cartridge cases. Baskets of partly-finished cartridge ...

Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiaircraft shells are produced by a series of operations that transform a flat brass disc into a case ready for loading with propelling charge and shell. Between each operation there is careful washing to remove all scale and adhesion and to leave surfaces clean for later processing. The big Midwest plant doing the work is well equipped to handle it in stride

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiai...

Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiaircraft shells are formed by successive drawing operations, from a flat brass disc into an elongated tubular shape with one rounded closed end. These shapes are trimmed before going on to the heading operation, with the more familiar flat surface, with priming hole, ready for loading

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiai...

Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiaircraft shells are drawn from brass cups which are themselves formed from flat discs. After they come from the cupping press they are washed to provide clean surfaces for future operations and are conveyed in basket trucks to annealing furnaces. Annealing will remove any strains set up in the metal by the cupping press operations

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiai...

Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More